1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/** @file
Provides decompression services to the PEI Foundation.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Revision Reference:
This PPI is introduced in PI Version 1.0.
**/
#ifndef __DECOMPRESS_PPI_H__
#define __DECOMPRESS_PPI_H__
#define EFI_PEI_DECOMPRESS_PPI_GUID \
{ 0x1a36e4e7, 0xfab6, 0x476a, { 0x8e, 0x75, 0x69, 0x5a, 0x5, 0x76, 0xfd, 0xd7 } }
typedef struct _EFI_PEI_DECOMPRESS_PPI EFI_PEI_DECOMPRESS_PPI;
/**
Decompress a single compression section in a firmware file.
Decompresses the data in a compressed section and returns it
as a series of standard PI Firmware File Sections. The
required memory is allocated from permanent memory.
@param This Points to this instance of the
EFI_PEI_DECOMPRESS_PEI PPI.
@param InputSection Points to the compressed section.
@param OutputBuffer Holds the returned pointer to the
decompressed sections.
@param OutputSize Holds the returned size of the decompress
section streams.
@retval EFI_SUCCESS The section was decompressed
successfully. OutputBuffer contains the
resulting data and OutputSize contains
the resulting size.
@retval EFI_OUT_OF_RESOURCES Unable to allocate sufficient
memory to hold the decompressed data.
@retval EFI_UNSUPPORTED The compression type specified
in the compression header is unsupported.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_DECOMPRESS_DECOMPRESS)(
IN CONST EFI_PEI_DECOMPRESS_PPI *This,
IN CONST EFI_COMPRESSION_SECTION *InputSection,
OUT VOID **OutputBuffer,
OUT UINTN *OutputSize
);
///
/// This PPI's single member function decompresses a compression
/// encapsulated section. It is used by the PEI Foundation to
/// process sectioned files. Prior to the installation of this PPI,
/// compression sections will be ignored.
///
struct _EFI_PEI_DECOMPRESS_PPI {
EFI_PEI_DECOMPRESS_DECOMPRESS Decompress;
};
extern EFI_GUID gEfiPeiDecompressPpiGuid;
#endif
|
